Men who identified themselves as Papa B, left, and Cadillac Bob, find refuge from the heat in a shaded lot between their homes Thursday, July 5, 2012 on Chicago's south side. Chicago hit 103 degrees as oppressive heat slams the middle of the country with record high temperatures that aren't going away after the sun goes down. (AP Photo/Sitthixay Ditthavong)
Record temperatures were set Friday in the Indiana cities of Indianapolis, South Bend and Fort Wayne, where temperatures could reach 106 degrees but feel more like 114. In central Arkansas, Russellville reached 106 degrees, breaking a record set in 1964. The heat was blamed for at least 23 deaths.